Scopri come la simulazione multifisica viene utilizzata per ricerca e sviluppo
In questa sezione troverete i lavori presentati alle Conferenze mondiali COMSOL. Le presentazioni descrivono ricerche e prodotti innovativi progettati con COMSOL Multiphysics da colleghi di tutto il mondo. I temi delle ricerche presentate abbracciano un'ampia gamma di settori produttivi e aree applicative, in ambito elettrico, meccanico, fluidodinamico e chimico. Lo strumento di Ricerca Rapida vi permetterà di trovare le presentazioni che si riferiscono all'area di vostro interesse.
Visualizza gli articoli presentati alla COMSOL Conference 2020
In this work the coupled electrochemical-thermal model for a lithium-ion battery (LIB) based on porous electrode theory has been extended with contributions coming from exothermic side reactions based on an Arrhenius law to model abuse mechanisms, which could lead to a thermal runaway. ... Per saperne di più
The earlier work in our group has established that natural convection plays a dominant role in SLRFB. We used it to run a battery in which interestingly, the contents are agitated for brief spells when no current flows through it. The present work focuses on electrode configurations ... Per saperne di più
基于电化学-热耦合模型，模拟了常温条件下 LiFePO4 /Graphite 锂离子电池的放电过程，并对电池内部正负电极各个位置的电化学反应速度演化规律进行了模拟计算研究。结果表明：放电过程中电极各处的反应速率不同，且是动态变化的。 Electrochemical Thermal Model Based Research for Electrochemical Performance of Lithium Ion Batteries Jia Ming, Tang Yiwei, Cheng Yun, Du Shuanglong, Li Jie (School of ... Per saperne di più
Lithium-ion batteries are most preferable energy storage devices for its higher energy density, flexible form factor and lightweight design than comparable battery technologies. The present simulation work is focused on incorporating contact thermal resistance within a two-dimensional ... Per saperne di più
There is great interest in developing all-solid-state lithium-ion batteries. They are ideal micro-power sources for many applications in portable electronic devices, electric vehicles and biomedical engineering. The batteries are possessed of high energy and power densities, good ... Per saperne di più
This paper is about the influence of the diffusion coefficient when simulating mixed electrode materials. The results show that when simulating dynamic behavior of a lithium ion battery cell with mixed electrode material the diffusion coefficients is very important. Per saperne di più
In last few decades, growing popularity of Electrical Vehicles (EVs) and Hybrid Electrical Vehicles (HEVs) associated with environmental concerns over oil-based transportation infrastructure, has attracted many research attentions over rechargeable Lithium-ion batteries (LIBs)1. Their ... Per saperne di più
Rechargeable batteries solve electrification and communication problems. As examples, hybrid battery-diesel generator power supplies efficiently power cell towers in remote locations, detached from the power grid. Large battery banks are used to load level user power requirements, ... Per saperne di più
Harvesting of renewable energy requires efficient energy storage systems. Rechargeable flow batteries offer certain advantages over other energy storage techniques in use, such as the lifting of water, compression of air, flywheel, etc. In a flow battery, electrolyte flowing through ... Per saperne di più
Introduction The soluble lead flow battery (SLFB) is a form of redox flow battery (RFB), an electrochemical device where energy is stored in a liquid electrolyte. The electrolyte is pumped around a flow circuit from a reservoir to the cell where redox reactions occur and the energy is ... Per saperne di più